17-letter words containing p, a, s, f, i
- professional foul — In football, if a player commits a professional foul, they deliberately do something which is against the rules in order to prevent another player from scoring a goal.
- purple of cassius — a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.
- pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
- rotation of crops — a system of rotating in a fixed order the kinds of crops, as grain or grass, grown in the same field, to maintain soil fertility
- sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
- safety inspection — an inspection of a place carried out to ensure that it is safe and not dangerous
- safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
- self-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
- self-depreciating — self-deprecating.
- self-emancipation — the act of emancipating.
- self-impregnating — to make pregnant; get with child or young.
- self-incompatible — not capable of self-pollination.
- self-perpetuating — continuing oneself in office, rank, etc., beyond the normal limit.
- self-presentation — an act of presenting.
- self-preservation — preservation of oneself from harm or destruction.
- self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
- semi-professional — actively engaged in some field or sport for pay but on a part-time basis: semiprofessional baseball players.
- separating funnel — a large funnel having a tap in its output tube, used to separate immiscible liquids
- spaghettification — the theoretical stretching of an object as it encounters extreme differences in gravitational forces, especially those associated with a black hole.
- span of attention — attention span.
- spanish influenza — the pandemic respiratory infection that spread throughout the world during 1917–18.
- spatial frequency — the measure of fine detail in an optical image in terms of cycles per millimetre
- spoonbill catfish — flathead catfish.
- sports facilities — places and things for doing sports
- stratified sample — a sample that is not drawn at random from the whole population, but separately from a number of disjoint strata of the population in order to ensure a more representative sample
- strike-slip fault — a geological fault on which the movement is along the strike of the fault
- supreme sacrifice — the sacrifice of one's own life: Many made the supreme sacrifice during the war.
- temple of artemis — the temple at Ephesus dedicated to Artemis.
- the south pacific — the part of the Pacific Ocean to the south of the equator
- unprofessionalism — not professional; not pertaining to or characteristic of a profession.